206 lines
7.2 KiB
C
206 lines
7.2 KiB
C
/* $NetBSD: sbdspvar.h,v 1.23 1997/06/06 23:44:04 thorpej Exp $ */
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/*
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* Copyright (c) 1991-1993 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#define SB_MASTER_VOL 0
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#define SB_MIDI_VOL 1
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#define SB_CD_VOL 2
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#define SB_VOICE_VOL 3
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#define SB_OUTPUT_CLASS 4
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#define SB_MIC_VOL 5
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#define SB_LINE_IN_VOL 6
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#define SB_RECORD_SOURCE 7
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#define SB_TREBLE 8
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#define SB_BASS 9
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#define SB_RECORD_CLASS 10
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#define SB_PCSPEAKER 11
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#define SB_INPUT_GAIN 12
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#define SB_OUTPUT_GAIN 13
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#define SB_AGC 14
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#define SB_INPUT_CLASS 15
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#define SB_EQUALIZATION_CLASS 16
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#define SB_NDEVS 17
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/*
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* Software state, per SoundBlaster card.
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* The soundblaster has multiple functionality, which we must demultiplex.
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* One approach is to have one major device number for the soundblaster card,
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* and use different minor numbers to indicate which hardware function
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* we want. This would make for one large driver. Instead our approach
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* is to partition the design into a set of drivers that share an underlying
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* piece of hardware. Most things are hard to share, for example, the audio
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* and midi ports. For audio, we might want to mix two processes' signals,
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* and for midi we might want to merge streams (this is hard due to
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* running status). Moreover, we should be able to re-use the high-level
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* modules with other kinds of hardware. In this module, we only handle the
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* most basic communications with the sb card.
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*/
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struct sbdsp_softc {
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struct device sc_dev; /* base device */
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struct isadev sc_id; /* ISA device */
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isa_chipset_tag_t sc_ic;
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bus_space_tag_t sc_iot; /* tag */
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bus_space_handle_t sc_ioh; /* handle */
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void *sc_ih; /* interrupt vectoring */
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int sc_iobase; /* I/O port base address */
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int sc_irq; /* interrupt */
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int sc_drq8; /* DMA (8-bit) */
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int sc_drq16; /* DMA (16-bit) */
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struct device *sc_isa; /* pointer to ISA parent */
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u_short sc_open; /* reference count of open calls */
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u_char gain[SB_NDEVS][2]; /* kept in input levels */
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#define SB_LEFT 0
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#define SB_RIGHT 1
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u_int out_port; /* output port */
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u_int in_mask; /* input ports */
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u_int in_port; /* XXX needed for MI interface */
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u_int in_filter; /* one of SB_TREBLE_EQ, SB_BASS_EQ, 0 */
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u_int spkr_state; /* non-null is on */
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u_int sc_irate; /* Sample rate for input */
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u_int sc_orate; /* ...and output */
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u_char sc_itc;
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u_char sc_otc;
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struct sbmode *sc_imodep;
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struct sbmode *sc_omodep;
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u_char sc_ibmode;
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u_char sc_obmode;
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u_long sc_interrupts; /* number of interrupts taken */
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void (*sc_intr)(void*); /* dma completion intr handler */
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void (*sc_mintr)(void*, int);/* midi input intr handler */
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void *sc_arg; /* arg for sc_intr() */
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int dmaflags;
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caddr_t dmaaddr;
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vm_size_t dmacnt;
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int dmachan; /* active DMA channel */
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int sc_dmadir; /* DMA direction */
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#define SB_DMA_NONE 0
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#define SB_DMA_IN 1
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#define SB_DMA_OUT 2
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u_int sc_mixer_model;
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#define SBM_NONE 0
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#define SBM_CT1335 1
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#define SBM_CT1345 2
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#define SBM_CT1745 3
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u_int sc_model; /* DSP model */
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#define SB_UNK -1
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#define SB_1 0 /* original SB */
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#define SB_20 1 /* SB 2 */
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#define SB_2x 2 /* SB 2, new version */
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#define SB_PRO 3 /* SB Pro */
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#define SB_JAZZ 4 /* Jazz 16 */
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#define SB_16 5 /* SB 16 */
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u_int sc_version; /* DSP version */
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#define SBVER_MAJOR(v) (((v)>>8) & 0xff)
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#define SBVER_MINOR(v) ((v)&0xff)
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};
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#define ISSBPRO(sc) ((sc)->sc_model == SB_PRO || (sc)->sc_model == SB_JAZZ)
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#define ISSBPROCLASS(sc) ((sc)->sc_model >= SB_PRO)
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#define ISSB16CLASS(sc) ((sc)->sc_model == SB_16)
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#ifdef _KERNEL
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int sbdsp_open __P((struct sbdsp_softc *, dev_t, int));
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void sbdsp_close __P((void *));
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int sbdsp_probe __P((struct sbdsp_softc *));
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void sbdsp_attach __P((struct sbdsp_softc *));
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int sbdsp_set_in_gain __P((void *, u_int, u_char));
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int sbdsp_set_in_gain_real __P((void *, u_int, u_char));
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int sbdsp_get_in_gain __P((void *));
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int sbdsp_set_out_gain __P((void *, u_int, u_char));
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int sbdsp_set_out_gain_real __P((void *, u_int, u_char));
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int sbdsp_get_out_gain __P((void *));
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int sbdsp_set_monitor_gain __P((void *, u_int));
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int sbdsp_get_monitor_gain __P((void *));
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int sbdsp_query_encoding __P((void *, struct audio_encoding *));
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int sbdsp_set_params __P((void *, int, struct audio_params *, struct audio_params *));
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int sbdsp_round_blocksize __P((void *, int));
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int sbdsp_set_out_port __P((void *, int));
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int sbdsp_get_out_port __P((void *));
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int sbdsp_set_in_port __P((void *, int));
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int sbdsp_get_in_port __P((void *));
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int sbdsp_get_avail_in_ports __P((void *));
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int sbdsp_get_avail_out_ports __P((void *));
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int sbdsp_speaker_ctl __P((void *, int));
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int sbdsp_commit_settings __P((void *));
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int sbdsp_dma_output __P((void *, void *, int, void (*)(void *), void*));
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int sbdsp_dma_input __P((void *, void *, int, void (*)(void *), void*));
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int sbdsp_haltdma __P((void *));
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int sbdsp_contdma __P((void *));
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void sbdsp_compress __P((int, u_char *, int));
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void sbdsp_expand __P((int, u_char *, int));
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int sbdsp_reset __P((struct sbdsp_softc *));
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void sbdsp_spkron __P((struct sbdsp_softc *));
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void sbdsp_spkroff __P((struct sbdsp_softc *));
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int sbdsp_wdsp __P((struct sbdsp_softc *, int v));
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int sbdsp_rdsp __P((struct sbdsp_softc *));
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int sbdsp_intr __P((void *));
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int sbdsp_set_sr __P((struct sbdsp_softc *, u_long *, int));
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int sbdsp_setfd __P((void *, int));
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void sbdsp_mix_write __P((struct sbdsp_softc *, int, int));
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int sbdsp_mix_read __P((struct sbdsp_softc *, int));
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int sbdsp_mixer_set_port __P((void *, mixer_ctrl_t *));
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int sbdsp_mixer_get_port __P((void *, mixer_ctrl_t *));
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int sbdsp_mixer_query_devinfo __P((void *, mixer_devinfo_t *));
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#endif
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